Finding the Fourth Proportional to 2,150.51, 2,969.00 and 1,405.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.51 : 2,969.00 = 1,405.72 : x
2. Step 2: Convert to fraction form
   2,150.51/2,969.00 = 1,405.72/x
3. Step 3: Cross multiply
   2,150.51x = 2,969.00 × 1,405.72
4. Step 4: Simplify right side
   2,150.51x = 4,173,578.77
5. Step 5: Solve for x
   x = 4,173,578.77/2,150.51
6. Step 6: Final answer
   x = 1,940.74